503 /** Prints the state of a datagram.

   504  *

   505  * Outputs a text message.

   506  */

   507 void ec_datagram_print_state(

   508         const ec_datagram_t *datagram /**< EtherCAT datagram */

   509         )

   510 {

   511     printk("Datagram ");

   512     switch (datagram->state) {

   513         case EC_DATAGRAM_INIT:

   514             printk("initialized");

   515             break;

   516         case EC_DATAGRAM_QUEUED:

   517             printk("queued");

   518             break;

   519         case EC_DATAGRAM_SENT:

   520             printk("sent");

   521             break;

   522         case EC_DATAGRAM_RECEIVED:

   523             printk("received");

   524             break;

   525         case EC_DATAGRAM_TIMED_OUT:

   526             printk("timed out");

   527             break;

   528         case EC_DATAGRAM_ERROR:

   529             printk("error");

   530             break;

   531         default:

   532             printk("???");

   533     }

   534 

   535     printk(".\n");

   536 }

   537 

   538 /*****************************************************************************/

   539